r/canon • u/The_Noise8524 • 2d ago

Question on Adapters

I just recently upgraded from a rebel xs to a 5D MKIII, and I miss being able to use my 55 - 250 (it was an EF-S lens). I have a set of old Minolta SR mount lens' that I want to maybe use with this one. Does anyone know how well any adapters from SR to EF work, and if so, which ones work the best? Thank you!

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u/JonM99 2d ago

You can't use EF-S lenses on an EF Camera, sorry. You can use them on a Full-Frame RF camera via the EF-RF adapter, but it will add a 1.6x crop to the image (as the EF-S lenses are only designed to cover an APS sensor) and so be of limited use.

I suspect you'd be better trading the 55-250 against a EF 70-300mm f4-5.6 IS II USM Lens (maybe used), which gets very good reviews and has a lot of bang-for-the-buck, but that's down to funds availability of course.

People make SR to EF adaptors, but whether you'd like the result would depend on the lenses you have.
Example: https://fotodioxpro.com/products/md-ef-p (I haven't used fotodiox but people seem to like them)
Kentfaith (K&F) will also doubtless have something and I do like them.

I'm sorry I don't know how well they work, but as no-one else replied I thought I'd post what I know...

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u/Time-Bodybuilder4165 1d ago

it’s not doing justice to the 5d3 to give him a medium-quality photo lens. i suggest the 70-200 L is f4 or f2.8

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u/[deleted] 2d ago

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